245 	struct stm32_i2s_data *i2s = (struct stm32_i2s_data *)devid;  in stm32_i2s_isr()  local
246 	struct platform_device *pdev = i2s->pdev;  in stm32_i2s_isr()
251 	regmap_read(i2s->regmap, STM32_I2S_SR_REG, &sr);  in stm32_i2s_isr()
252 	regmap_read(i2s->regmap, STM32_I2S_IER_REG, &ier);  in stm32_i2s_isr()
261 	regmap_write_bits(i2s->regmap, STM32_I2S_IFCR_REG,  in stm32_i2s_isr()
277 	spin_lock(&i2s->irq_lock);  in stm32_i2s_isr()
278 	if (err && i2s->substream)  in stm32_i2s_isr()
279 		snd_pcm_stop_xrun(i2s->substream);  in stm32_i2s_isr()
280 	spin_unlock(&i2s->irq_lock);  in stm32_i2s_isr()
334 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_set_dai_fmt()  local
388 		i2s->ms_flg = I2S_MS_SLAVE;  in stm32_i2s_set_dai_fmt()
391 		i2s->ms_flg = I2S_MS_MASTER;  in stm32_i2s_set_dai_fmt()
399 	i2s->fmt = fmt;  in stm32_i2s_set_dai_fmt()
400 	return regmap_update_bits(i2s->regmap, STM32_I2S_CGFR_REG,  in stm32_i2s_set_dai_fmt()
407 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_set_sysclk()  local
411 	if ((dir == SND_SOC_CLOCK_OUT) && STM32_I2S_IS_MASTER(i2s)) {  in stm32_i2s_set_sysclk()
412 		i2s->mclk_rate = freq;  in stm32_i2s_set_sysclk()
415 		return regmap_update_bits(i2s->regmap, STM32_I2S_CGFR_REG,  in stm32_i2s_set_sysclk()
425 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_configure_clock()  local
434 		clk_set_parent(i2s->i2sclk, i2s->x11kclk);  in stm32_i2s_configure_clock()
436 		clk_set_parent(i2s->i2sclk, i2s->x8kclk);  in stm32_i2s_configure_clock()
437 	i2s_clock_rate = clk_get_rate(i2s->i2sclk);  in stm32_i2s_configure_clock()
451 	if (i2s->mclk_rate) {  in stm32_i2s_configure_clock()
452 		tmp = DIV_ROUND_CLOSEST(i2s_clock_rate, i2s->mclk_rate);  in stm32_i2s_configure_clock()
455 		if ((i2s->fmt & SND_SOC_DAIFMT_FORMAT_MASK) ==  in stm32_i2s_configure_clock()
460 		ret = regmap_read(i2s->regmap, STM32_I2S_CGFR_REG, &cgfr);  in stm32_i2s_configure_clock()
491 	ret = regmap_update_bits(i2s->regmap, STM32_I2S_CGFR_REG,  in stm32_i2s_configure_clock()
497 	return regmap_update_bits(i2s->regmap, STM32_I2S_CFG2_REG,  in stm32_i2s_configure_clock()
505 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_configure()  local
526 	if (STM32_I2S_IS_SLAVE(i2s)) {  in stm32_i2s_configure()
537 	ret = regmap_update_bits(i2s->regmap, STM32_I2S_CGFR_REG,  in stm32_i2s_configure()
545 	return regmap_update_bits(i2s->regmap, STM32_I2S_CFG1_REG,  in stm32_i2s_configure()
552 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_startup()  local
556 	spin_lock_irqsave(&i2s->irq_lock, flags);  in stm32_i2s_startup()
557 	i2s->substream = substream;  in stm32_i2s_startup()
558 	spin_unlock_irqrestore(&i2s->irq_lock, flags);  in stm32_i2s_startup()
560 	if ((i2s->fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_DSP_A)  in stm32_i2s_startup()
564 	ret = clk_prepare_enable(i2s->i2sclk);  in stm32_i2s_startup()
570 	return regmap_write_bits(i2s->regmap, STM32_I2S_IFCR_REG,  in stm32_i2s_startup()
578 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_hw_params()  local
587 	if (STM32_I2S_IS_MASTER(i2s))  in stm32_i2s_hw_params()
596 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_trigger()  local
610 		regmap_update_bits(i2s->regmap, STM32_I2S_CFG1_REG,  in stm32_i2s_trigger()
613 		ret = regmap_update_bits(i2s->regmap, STM32_I2S_CR1_REG,  in stm32_i2s_trigger()
620 		ret = regmap_write_bits(i2s->regmap, STM32_I2S_CR1_REG,  in stm32_i2s_trigger()
627 		regmap_write_bits(i2s->regmap, STM32_I2S_IFCR_REG,  in stm32_i2s_trigger()
630 		spin_lock(&i2s->lock_fd);  in stm32_i2s_trigger()
631 		i2s->refcount++;  in stm32_i2s_trigger()
637 			if (STM32_I2S_IS_MASTER(i2s) && i2s->refcount == 1)  in stm32_i2s_trigger()
639 				regmap_write(i2s->regmap,  in stm32_i2s_trigger()
642 		spin_unlock(&i2s->lock_fd);  in stm32_i2s_trigger()
644 		if (STM32_I2S_IS_SLAVE(i2s))  in stm32_i2s_trigger()
647 		regmap_update_bits(i2s->regmap, STM32_I2S_IER_REG, ier, ier);  in stm32_i2s_trigger()
656 			regmap_update_bits(i2s->regmap, STM32_I2S_IER_REG,  in stm32_i2s_trigger()
660 			regmap_update_bits(i2s->regmap, STM32_I2S_IER_REG,  in stm32_i2s_trigger()
664 		spin_lock(&i2s->lock_fd);  in stm32_i2s_trigger()
665 		i2s->refcount--;  in stm32_i2s_trigger()
666 		if (i2s->refcount) {  in stm32_i2s_trigger()
667 			spin_unlock(&i2s->lock_fd);  in stm32_i2s_trigger()
671 		ret = regmap_update_bits(i2s->regmap, STM32_I2S_CR1_REG,  in stm32_i2s_trigger()
675 			spin_unlock(&i2s->lock_fd);  in stm32_i2s_trigger()
678 		spin_unlock(&i2s->lock_fd);  in stm32_i2s_trigger()
681 		regmap_update_bits(i2s->regmap, STM32_I2S_CFG1_REG,  in stm32_i2s_trigger()
694 	struct stm32_i2s_data *i2s = snd_soc_dai_get_drvdata(cpu_dai);  in stm32_i2s_shutdown()  local
697 	regmap_update_bits(i2s->regmap, STM32_I2S_CGFR_REG,  in stm32_i2s_shutdown()
700 	clk_disable_unprepare(i2s->i2sclk);  in stm32_i2s_shutdown()
702 	spin_lock_irqsave(&i2s->irq_lock, flags);  in stm32_i2s_shutdown()
703 	i2s->substream = NULL;  in stm32_i2s_shutdown()
704 	spin_unlock_irqrestore(&i2s->irq_lock, flags);  in stm32_i2s_shutdown()
709 	struct stm32_i2s_data *i2s = dev_get_drvdata(cpu_dai->dev);  in stm32_i2s_dai_probe()  local
710 	struct snd_dmaengine_dai_dma_data *dma_data_tx = &i2s->dma_data_tx;  in stm32_i2s_dai_probe()
711 	struct snd_dmaengine_dai_dma_data *dma_data_rx = &i2s->dma_data_rx;  in stm32_i2s_dai_probe()
715 	dma_data_tx->addr = (dma_addr_t)(i2s->phys_addr) + STM32_I2S_TXDR_REG;  in stm32_i2s_dai_probe()
718 	dma_data_rx->addr = (dma_addr_t)(i2s->phys_addr) + STM32_I2S_RXDR_REG;  in stm32_i2s_dai_probe()
779 			       struct stm32_i2s_data *i2s)  in stm32_i2s_dais_init()  argument
793 	i2s->dai_drv = dai_ptr;  in stm32_i2s_dais_init()
807 			      struct stm32_i2s_data *i2s)  in stm32_i2s_parse_dt()  argument
820 		i2s->regmap_conf = (const struct regmap_config *)of_id->data;  in stm32_i2s_parse_dt()
825 	i2s->base = devm_ioremap_resource(&pdev->dev, res);  in stm32_i2s_parse_dt()
826 	if (IS_ERR(i2s->base))  in stm32_i2s_parse_dt()
827 		return PTR_ERR(i2s->base);  in stm32_i2s_parse_dt()
829 	i2s->phys_addr = res->start;  in stm32_i2s_parse_dt()
832 	i2s->pclk = devm_clk_get(&pdev->dev, "pclk");  in stm32_i2s_parse_dt()
833 	if (IS_ERR(i2s->pclk)) {  in stm32_i2s_parse_dt()
835 		return PTR_ERR(i2s->pclk);  in stm32_i2s_parse_dt()
838 	i2s->i2sclk = devm_clk_get(&pdev->dev, "i2sclk");  in stm32_i2s_parse_dt()
839 	if (IS_ERR(i2s->i2sclk)) {  in stm32_i2s_parse_dt()
841 		return PTR_ERR(i2s->i2sclk);  in stm32_i2s_parse_dt()
844 	i2s->x8kclk = devm_clk_get(&pdev->dev, "x8k");  in stm32_i2s_parse_dt()
845 	if (IS_ERR(i2s->x8kclk)) {  in stm32_i2s_parse_dt()
847 		return PTR_ERR(i2s->x8kclk);  in stm32_i2s_parse_dt()
850 	i2s->x11kclk = devm_clk_get(&pdev->dev, "x11k");  in stm32_i2s_parse_dt()
851 	if (IS_ERR(i2s->x11kclk)) {  in stm32_i2s_parse_dt()
853 		return PTR_ERR(i2s->x11kclk);  in stm32_i2s_parse_dt()
862 			       dev_name(&pdev->dev), i2s);  in stm32_i2s_parse_dt()
881 	struct stm32_i2s_data *i2s;  in stm32_i2s_probe()  local
885 	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);  in stm32_i2s_probe()
886 	if (!i2s)  in stm32_i2s_probe()
889 	ret = stm32_i2s_parse_dt(pdev, i2s);  in stm32_i2s_probe()
893 	i2s->pdev = pdev;  in stm32_i2s_probe()
894 	i2s->ms_flg = I2S_MS_NOT_SET;  in stm32_i2s_probe()
895 	spin_lock_init(&i2s->lock_fd);  in stm32_i2s_probe()
896 	spin_lock_init(&i2s->irq_lock);  in stm32_i2s_probe()
897 	platform_set_drvdata(pdev, i2s);  in stm32_i2s_probe()
899 	ret = stm32_i2s_dais_init(pdev, i2s);  in stm32_i2s_probe()
903 	i2s->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "pclk",  in stm32_i2s_probe()
904 						i2s->base, i2s->regmap_conf);  in stm32_i2s_probe()
905 	if (IS_ERR(i2s->regmap)) {  in stm32_i2s_probe()
907 		return PTR_ERR(i2s->regmap);  in stm32_i2s_probe()
911 					      i2s->dai_drv, 1);  in stm32_i2s_probe()
921 	ret = regmap_update_bits(i2s->regmap, STM32_I2S_CGFR_REG,  in stm32_i2s_probe()
926 	ret = regmap_read(i2s->regmap, STM32_I2S_IPIDR_REG, &val);  in stm32_i2s_probe()
931 		ret = regmap_read(i2s->regmap, STM32_I2S_HWCFGR_REG, &val);  in stm32_i2s_probe()
941 		ret = regmap_read(i2s->regmap, STM32_I2S_VERR_REG, &val);  in stm32_i2s_probe()
956 	struct stm32_i2s_data *i2s = dev_get_drvdata(dev);  in stm32_i2s_suspend()  local
958 	regcache_cache_only(i2s->regmap, true);  in stm32_i2s_suspend()
959 	regcache_mark_dirty(i2s->regmap);  in stm32_i2s_suspend()
966 	struct stm32_i2s_data *i2s = dev_get_drvdata(dev);  in stm32_i2s_resume()  local
968 	regcache_cache_only(i2s->regmap, false);  in stm32_i2s_resume()
969 	return regcache_sync(i2s->regmap);  in stm32_i2s_resume()